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Marquise|Lab Grown|IGI

0.42ct D VS1 Marquise Lab Grown Diamond

VG • D/VS1 • IGI LG712591213

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG712591213

Diamond specifications and retailer prices

From $117 AUD
$82 USD
As of October 30, 2026
Save $954 AUD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,070 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.42ct lab-grown marquise diamond

This 0.42ct lab-grown marquise sits in the sub-half-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG712591213 or 712591213. Listed at 13 retailers as of October 30, 2026, with prices from $117 to $1,070, a $954 spread on the same certified stone. MOH London lists it at $1,070. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.42
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle29°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712591213
Dimensions7.76 × 4.11 × 2.35 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.76 mm4.11 mm0.42 ctD / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG712591213
Side View
Table 59.0%Crown 29°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 57.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,070 AUD|Low: $117 AUD|High: $1,562 AUD|Avg: $416 AUD|-31.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 13$117 AUD
Retailer 10$137 AUD
Retailer 4$155 AUD
Retailer 9$155 AUD
Retailer 3$256 AUD
Retailer 7$260 AUD
Retailer 2$264 AUD
Retailer 5$316 AUD
Retailer 8$351 AUD
Retailer 14$354 AUD
Retailer 11$468 AUD
Retailer 12$473 AUD
Retailer 6$976 AUD
MOH London$1,070 AUD

42 data points across 14 retailers

13 retailers$117 AUD to $1,070 AUD

A
Cheapest Retailer
-
$117 AUD
$82 USD
A
Retailer 2
-
$137 AUD
$96 USD
View
Retailer 3
-
$155 AUD
$109 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$155 AUD
$109 USD
View
B+
Retailer 5
-
$256 AUD
$180 USD
View
A
Retailer 6
-
$260 AUD
£144 GBP
View
A
Retailer 7
-
$264 AUD
ZAR 2,999 ZAR
View
B+
Retailer 8
-
$316 AUD
$222 USD
View
B+
Retailer 9
-
$351 AUD
£194 GBP
View
B
Retailer 10
-
$468 AUD
$329 USD
View
B
Retailer 11
-
$473 AUD
$332 USD
View
Retailer 12
-
$976 AUD
£540 GBP
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
LG712591213 · Nov 1
$1,070 AUD
£592 GBP
View
12 more retailers have this diamond
Prices start from $117 AUDSave up to $954 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.42ct Marquise
$117 AUD